. >> reporter: but after the fbi searched the home of paula broadwell, the woman who had an affair with general david petraeus, law enforcement and national security officials now say she had substantial classified information unsecured on her computer. classified but not highly classified, nbc reports. prosecutors will decide if she'll be charged depending on how she got the information. the pentagon had suspended her security clearance. leon panetta suggested general john allen who said he will cooperate may be the last person involved. >> i am not aware of any others that could be involved in this issue at the present time. >> reporter: despite the probe, general petraeus who stepped down from the cia is scheduled to testify tomorrow on the deadly attacks in benghazi. republicans accuse united nations ambassador susan rice of misleading the public when she said protests, not terrorists, prompted that attack. >> there's a ream of evidence. >> she should have known what the situation and circumstances were. >> she has a lot of explaining to do. >> if senator mccain and senator graham a